Model have only quad polygons. No poles with more than 5 edges. Create in real-world scale, millimeters unit system. Each bullet approximate size: 10cm x 1,6cm x 1,6cm. All objects and materials have suitable names. Object are contained in a separate layer 'Three Cartridges'. Scene have 4 PNG textures.
For environment used 4 VrayLight, HDRI map for reflection (include in archive).